At a Glance
- Tasks: Build cutting-edge AI systems for financial services, focusing on safety and compliance.
- Company: Join Aveni, a leading FinTech recognised for innovation and excellence.
- Benefits: Enjoy remote work, generous holiday, and personal development opportunities.
- Other info: Dynamic team environment with clear career growth paths.
- Why this job: Make a real impact in transforming financial services with AI technology.
- Qualifications: Strong Python skills and experience with cloud-native systems required.
The predicted salary is between 60000 - 80000 € per year.
Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year for two consecutive years and awarded Best Specialist Technology Service at the Professional Adviser Awards 2025. Backed by leading investors including Puma Private Equity, and commercially supported by Lloyds Banking Group and Nationwide Building Society, we previously completed one of Scotland's largest Series A rounds. Since then, we've continued to grow rapidly as adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand.
Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous learning as part of the day-to-day work.
The Role: Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This is a high-impact role building foundational technology that underpins Aveni's AI-first strategy.
Your work will focus on:
- Systems that govern how AI agents behave in regulated financial contexts, designing and implementing policy enforcement, safety controls, behavioural monitoring, and evaluation frameworks.
- Joining at a pivotal moment as Aveni scales from startup to enterprise-grade AI FinTech, working on problems that matter: making AI safe, auditable, and trustworthy in high-stakes financial environments.
What You'll Be Doing:
- Build Production-Grade Systems
- Design and implement scalable Python services powering AI-driven workflows
- Develop resilient, observable systems with strong error handling and compliance traceability
- Work within a serverless, event-driven AWS architecture
- Own Delivery End-to-End
- Take ownership of features from design through to production
- Collaborate with Product, AI Platform, and Compliance teams
- Contribute to sprint planning, estimation, and delivery
- Shape AI & Agentic Systems
- Build intelligent workflows using LLMs and agentic architectures
- Integrate AI models into production systems
- Design guardrails, policy enforcement, and behavioural monitoring for AI agents
- Mentor & Elevate the Team
- Support and guide junior and mid-level engineers
- Lead code reviews and promote engineering best practices
- Contribute to documentation, demos, and knowledge sharing
- Drive AI-Augmented Engineering
- Use AI coding tools to accelerate development and improve quality
- Help define best practices for AI-assisted software engineering
What We're Looking For:
- Must Have:
- Strong Python expertise in production environments
- Experience building cloud-native systems on AWS (Lambda, DynamoDB, S3, EventBridge)
- Experience working with LLMs or AI/ML systems
- Strong understanding of APIs, async systems, and scalable architecture
- Nice to Have:
- Experience with AI safety, guardrails, or policy enforcement
- Background in agentic systems or autonomous workflows
- Experience in financial services or regulated environments
- Familiarity with Node.js / TypeScript, Terraform or CDK
- Knowledge of observability tools and ML fundamentals
You’ll Thrive If You Are:
- Pragmatic and able to balance speed with long-term quality
- Curious about AI, especially safety and responsible usage
- Comfortable working in a fast-moving scale-up environment
- A strong communicator who can explain complex ideas clearly
- Passionate about mentoring and raising team standards
Career Growth: This role offers a clear path into Staff or Lead Engineer positions, where you’ll:
- Drive architectural decisions across multiple teams
- Own complex, cross-cutting AI systems
- Shape Aveni's long-term AI platform strategy
Join Us in Making a Difference: At Aveni, we believe that diversity drives innovation. We’ve built our business to ensure an inclusive workplace where everyone feels valued and empowered to contribute their best work. If you’re passionate about technology and its ability to drive positive change for the future of financial services, we’d love to hear from you. Even if you don’t meet 100% of requirements, we’d like to hear from you anyway if you believe you’d fit in. Apply now to join us on our mission to transform the financial services industry through AI.
Benefits at Aveni: What you’ll love:
- Remote-first working across the UK
- Work abroad policy
- Co-working spaces available
- 34 days holiday (including flexible bank holidays) and your birthday off
- Company-wide off-sites
- Optional Personal Development Plan
- Flexible benefits platform
- Protection essentials including Life Insurance, Income Protection, Critical Illness cover, and Pension (up to 5% matched employer contribution with optional increased contributions)
- Private health and dental care
- Potential share options
- Enhanced family leave
Senior Software Engineer (Python) in Newcastle upon Tyne employer: LinkedIn
Aveni is an exceptional employer, offering a dynamic and inclusive work culture that prioritises innovation and employee growth. As a remote-first company with strong ties to the University of Edinburgh, employees benefit from continuous learning opportunities and access to cutting-edge technology in the rapidly evolving AI financial services sector. With generous holiday allowances, flexible benefits, and a clear path for career advancement, Aveni is committed to fostering a supportive environment where every team member can thrive.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer (Python) in Newcastle upon Tyne
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, especially those at Aveni or similar companies. LinkedIn is your best mate here—send personalised connection requests and engage with their posts. You never know who might put in a good word for you!
✨Tip Number 2
Prepare for those interviews! Research Aveni's projects and think about how your skills in Python and cloud-native systems can contribute. Practice common interview questions, but also be ready to discuss your past experiences and how they relate to AI safety and compliance.
✨Tip Number 3
Show off your passion for AI! During interviews, share your thoughts on responsible AI usage and any personal projects you've worked on. This will demonstrate your enthusiasm and fit for Aveni's mission to transform financial services through AI.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining Aveni and being part of our exciting journey in the fintech space.
We think you need these skills to ace Senior Software Engineer (Python) in Newcastle upon Tyne
Some tips for your application 🫡
Show Off Your Python Skills:Make sure to highlight your strong Python expertise in your application. We want to see how you've used Python in production environments, so share specific examples of projects or systems you've built.
Cloud-Native Experience is Key:Since we're all about cloud-native systems on AWS, don't forget to mention your experience with services like Lambda, DynamoDB, and S3. If you've worked with event-driven architectures, let us know!
Talk About AI and Compliance:Given our focus on AI safety and compliance, it’s a good idea to discuss any experience you have with AI/ML systems, especially in regulated environments. Show us how you can contribute to making AI safe and trustworthy.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!
How to prepare for a job interview at LinkedIn
✨Know Your Python Inside Out
Make sure you brush up on your Python skills, especially in production environments. Be ready to discuss your past projects and how you've implemented scalable Python services, as this will be crucial for the role.
✨Familiarise Yourself with AWS
Since Aveni works within a serverless, event-driven AWS architecture, it’s essential to understand AWS services like Lambda, DynamoDB, and S3. Prepare to talk about your experience with these tools and how you've used them to build cloud-native systems.
✨Understand AI Safety and Compliance
Given the focus on AI in regulated financial contexts, brush up on AI safety, guardrails, and policy enforcement. Be prepared to discuss how you would design and implement safety controls and behavioural monitoring for AI agents.
✨Show Your Mentorship Skills
Aveni values team growth, so be ready to share examples of how you've mentored junior engineers or contributed to code reviews. Highlight your passion for raising team standards and promoting engineering best practices.
